storage

var (
	ErrFeedNotFound  = errors.New("feed not found")
	ErrFeedExists    = errors.New("feed already exists")
	ErrInvalidFormat = errors.New("invalid feed format: expected 'name src'")
	ErrEmptyName     = errors.New("feed name cannot be empty")
	ErrEmptySrc      = errors.New("feed source cannot be empty")
	ErrNameHasSpace  = errors.New("feed name cannot contain whitespace")
)